Integrated programmable photonic filter on the silicon -on- insulator platform.

Shasha Liao, Yunhong Ding, Christophe Peucheret, Ting Yang, Jianji Dong, Xinliang Zhang

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We propose and demonstrate a silicon - on - insulator (SOI) on - chip programmable filter based on a four - tap finite impulse response structure. The photonic filter is programmable thanks to amplitude and phase modulation of each tap controlled by thermal heater s. We further demonstrate the tunability of the filter central wavelength, bandwidth and variable passband shape. The tuning range of the central wavelength is at least 42% of the free spectral range. The bandwidth tuning range is at least half of the free spectral range. Our scheme has distinct advantages of compactness, capability for integrating with electronics
Original languageEnglish
JournalOptics Express
Issue number26
Pages (from-to)31993–31998
Publication statusPublished - 2014

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